Jian Song

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Germantown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for providing multi-input-multi-output (MIMO) dow...
- Patent number 8,902,840
- Issue date Dec 2, 2014
- The DIRECTV Group, Inc.
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for providing multi-input-multi-output (MIMO) dow...
- Patent number 8,243,706
- Issue date Aug 14, 2012
- The DIRECTV Group, Inc.
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for providing multi-input-multi-output (MIMO) dow...
- Patent number 7,492,749
- Issue date Feb 17, 2009
- The DIRECTV Group, Inc.
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circularly polarized reflect array using 2-bit phase shifter having...
- Patent number 6,351,240
- Issue date Feb 26, 2002
- Hughes Electronics Corporation
- Khalid Karimullah
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR PROVIDING MULTI-INPUT-MULTI-OUTPUT (MIMO) DOW...
- Publication number 20120294266
- Publication date Nov 22, 2012
- The DIRECTV Group, Inc.
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING MULTI-INPUT-MULTI-OUTPUT (MIMO) DOW...
- Publication number 20090168916
- Publication date Jul 2, 2009
- The DIRECTV Group, Inc.
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for providing multi-input-multi-output (MIMO) dow...
- Publication number 20050259627
- Publication date Nov 24, 2005
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE